Determination and comparison of competitive isotherms by rectangular pulse method and frontal velocity analysis method

被引：2
|
作者：
Sun, SF [1 ]
Yang, GL [1 ]
Sun, HW [1 ]
Wang, DX [1 ]
Liu, HX [1 ]
机构：
[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China
来源：
JOURNAL OF CHROMATOGRAPHY A | 2001年 / 918卷 / 01期
基金：
中国国家自然科学基金;
关键词：
competitive isotherm; rectangular pulse method; frontal velocity analysis method; adsorption isotherms;
D O I：
10.1016/S0021-9673(01)00724-5
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Two different approaches, the rectangular pulse method and a new method, the frontal velocity analysis method are applied to the determination of competitive isotherms for two systems on ODS-silica. Both sets of experimental data are found to fit well to the competitive-langmuir isotherm equation. The data obtained from the rectangular pulse method and the frontal velocity analysis method are in general agreement with each other and the best coefficients of the competitive isotherms obtained with the two methods are close. This shows that the simpler and easier method, the frontal velocity analysis method can be used to determine binary competitive isotherms. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：13 / 23
页数：11
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